import java.applet.Applet;
import java.awt.* ;

public class OldVaporWare extends Applet {
  int numClientSent ;
  boolean connected ;
  Label labelClientSent ;
  Label labelServerSent ;
  Button buttonSendIt ;
  String buttonSendIt_ActionCommand ;
  Color waitColor ;
  Color readyColor ;
  // for simulated networking
  int numServerSent ;
  // end of simulated networking

  public void SendMessage() {
    ++ numClientSent ;
    labelClientSent.setText(Integer.toString(numClientSent)) ;
    buttonSendIt.setLabel("Transmitting") ;
    buttonSendIt.setBackground(waitColor) ;
    buttonSendIt_ActionCommand = "Waiting" ;
    repaint() ;
    // for simulated networking
    int sloop, rbump, counter ;
    sloop = 100 + (int) (Math.random() * 100.0) ;
    for (counter = sloop; counter >= 0 ; --counter ) {
      showStatus(Integer.toString(counter)) ;
    }
    showStatus("") ;
    ++numServerSent ;
    if (sloop % 7 == 0) {
       ++numServerSent ;
    }
    if (sloop % 21 == 0) {
       ConnectionFailed() ;
    } else {
       PacketReceived(numServerSent) ;
    }
    // end of simulated networking
  }

  public void ConnectionEstablished() {
    connected = true ;
    buttonSendIt.setLabel("Ready to fire") ;
    buttonSendIt.setBackground(readyColor) ;
    buttonSendIt_ActionCommand = "Ready" ;
    repaint() ;
  }    

  public void ConnectionFailed() {
    connected = false ;
    buttonSendIt.setLabel("Connection failure") ;
    buttonSendIt.setBackground(Color.red) ;
    buttonSendIt_ActionCommand = "Failed" ;
    repaint() ;
  }

  public void PacketReceived(int newNum) {
    labelServerSent.setText(Integer.toString(newNum)) ;
    buttonSendIt.setLabel("Ready to fire") ;
    buttonSendIt.setBackground(readyColor) ;
    buttonSendIt_ActionCommand = "Ready" ;
    repaint() ;
  }    

  public void init() {
    Font fixedFont =  new Font("Monospaced", Font.PLAIN, 30);
    Font prettyFont = new Font("TimesRoman", Font.PLAIN, 20);
    waitColor  = new Color(255, 100, 100) ;
    readyColor = new Color(100, 255, 255) ;
    numClientSent = 0 ;
    connected = false ;

    labelClientSent = new Label("0", Label.RIGHT) ;
    labelClientSent.setFont(fixedFont) ;
    // labelClientSent.setBackground(Color.yellow) ;
    labelServerSent = new Label("", Label.RIGHT) ;
    labelServerSent.setFont(fixedFont) ;    
    // labelServerSent.setBackground(Color.orange) ;
    buttonSendIt = new Button("Trying to connect") ;
    buttonSendIt.setFont(prettyFont) ;
    buttonSendIt.setBackground(waitColor) ;
    buttonSendIt_ActionCommand = "Waiting" ;
    GridBagLayout gbl = new GridBagLayout() ;
    GridBagConstraints gbc = new GridBagConstraints() ;
    setLayout(gbl) ;
    gbc.fill = GridBagConstraints.BOTH ;
    gbc.gridx = 0 ;
    gbc.gridy = 0 ;
    gbc.weightx = 1.0 ;
    gbl.setConstraints(labelClientSent, gbc);
    add(labelClientSent) ;
    gbc.gridx = 1 ;
    gbl.setConstraints(labelServerSent, gbc);
    add(labelServerSent) ;
    gbc.gridx = 0 ;
    gbc.gridy = 1 ;
    gbc.gridwidth = 2 ;
    gbl.setConstraints(buttonSendIt, gbc);
    add(buttonSendIt) ;
    repaint() ;
    // for simulated networking
    int sloop, rbump, counter ;
    sloop = 1000 + (int) (Math.random() * 1000.0) ;
    for (counter = sloop; counter >= 0 ; --counter ) {
      showStatus(Integer.toString(counter)) ;
    }
    showStatus("") ;
    numServerSent = (int) (Math.random() * 100000.0) ;
    ConnectionEstablished() ;
    // end of simulated networking
  }   

  public boolean handleEvent(Event e) {
    if (e.id == Event.ACTION_EVENT && e.target == buttonSendIt) {
      if (buttonSendIt_ActionCommand == "Ready") {
	SendMessage() ;
      }
    }
    return (super.handleEvent(e)) ;
  }
}